Casing



FIG. 1 is a perspective view of a casing showing my new design;

FIG. 2 is a front view of the invention;

FIG. 3 is top view of the invention;

FIG. 4 is a right side view left side view mirror image.

FIG. 5 is a bottom view of the invention; and

FIG. 6 is a rear view of the invention; and,

FIG. 7 is a front perspective view of the invention with the cover shown open. 

The ornamental design for the casing, as shown and described. 